Toy building element



FIG. 1 is a top perspective view of a toy building element showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view, the other side being identical;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view. 

The ornamental design for a toy building element, as shown and described. 